2004 2005 2006 2007 2008 2009 2010 2011 2012 $0 $20,000 $40,000 $60,000 $80,000 $100,000
| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $54,665 | 3,702 | 3,702 |
| 2006 | $19,080 | 8,029 | 8,029 |
| 2007 | $21,728 | 20,503 | 20,503 |
| 2008 | $29,378 | 45,965 | 45,965 |
| 2009 | $21,652 | 30,469 | 30,469 |
| 2010 | $19,287 | 27,071 | 27,071 |
| 2011 | $83,428 | 54,515 | 54,515 |
Note: Quantity represents Weight in kilograms
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